The smartphone supports Dual SIM (Nano-SIM, dual stand-by) and runs on the Android 10 + ColorOS 7.2 operating system. The smartphone is built with a glass front, plastic back, and a plastic frame.
The device is powered by a powerful processor, Mediatek MT6765 Helio P35 Octa-core while the GPU is PowerVR GE8320. The size of the device is 6.52 inches IPS LCD while it features a triple-camera that consists of 13 MP (wide) + 2 MP (macro) + 2 MP (depth).
On the front, there is a single camera that consists of 8 MP (wide). In addition, there are LED flash, HDR, and panorama options available. Oppo A15s has been integrated with sensors such as Fingerprint (rear-mounted), accelerometer, and proximity.
It is fueled with Li-Po 4230 mAh + Charging 10W. It is available in two colors: Dynamic Black and Fancy White. The smartphone is enabled with GPS with A-GPS, GLONASS, BDS, FM Radio, micro USB 2.0, USB On-The-Go, and Bluetooth 5.0. The device is pack with 4 GB RAM and 64 GB internal storage.